- if (ctx->Program.ErrorPos == -1 && ctx->Driver.ProgramStringNotify)
- ctx->Driver.ProgramStringNotify( ctx, target, base );
+ if (ctx->Program.ErrorPos == -1) {
+ /* finally, give the program to the driver for translation/checking */
+ if (!ctx->Driver.ProgramStringNotify(ctx, target, base)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glProgramStringARB(rejected by driver");
+ }
+ }